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Finding the Fourth Proportional to 545,774.64, 818,604.72 and 146,456.34

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Solution

The fourth proportional to 545,774.64, 818,604.72 and 146,456.34 is: 219,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,774.64 : 818,604.72 = 146,456.34 : x
  2. Step 2: Convert to fraction form
    545,774.64/818,604.72 = 146,456.34/x
  3. Step 3: Cross multiply
    545,774.64x = 818,604.72 × 146,456.34
  4. Step 4: Simplify right side
    545,774.64x = 119,889,851,197.93
  5. Step 5: Solve for x
    x = 119,889,851,197.93/545,774.64
  6. Step 6: Final answer
    x = 219,669.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.